1282519998 has 48 divisors (see below), whose sum is σ = 2829911136. Its totient is φ = 419670720.

The previous prime is 1282519957. The next prime is 1282520039. The reversal of 1282519998 is 8999152821.

It is an interprime number because it is at equal distance from previous prime (1282519957) and next prime (1282520039).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 830415 + ... + 831957.

It is an arithmetic number, because the mean of its divisors is an integer number (58956482).

Almost surely, 2^1282519998 is an apocalyptic number.

1282519998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1282519998 is an abundant number, since it is smaller than the sum of its proper divisors (1547391138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1282519998 is a wasteful number, since it uses less digits than its factorization.

1282519998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2366 counting only the distinct ones).

The product of its digits is 933120, while the sum is 54.

The square root of 1282519998 is about 35812.2883658668. The cubic root of 1282519998 is about 1086.4791136075.

It can be divided in two parts, 12825 and 19998, that added together give a palindrome (32823).

The spelling of 1282519998 in words is "one billion, two hundred eighty-two million, five hundred nineteen thousand, nine hundred ninety-eight".